CN110718992A

CN110718992A - Motor iron core

Info

Publication number: CN110718992A
Application number: CN201910907556.1A
Authority: CN
Inventors: 不公告发明人
Original assignee: Li Zaoshu
Current assignee: Jiangxi Honghui Motor Co.,Ltd.
Priority date: 2019-09-24
Filing date: 2019-09-24
Publication date: 2020-01-21
Anticipated expiration: 2039-09-24
Also published as: CN110718992B

Abstract

The invention belongs to the technical field of motors, and particularly relates to a motor iron core which comprises a shell, a stator, a rotor and a heat dissipation plate; a heat dissipation plate and a sealing plate are fixedly connected in the shell; the inner surface of the shell is fixedly connected with a stator at the right side of the sealing plate, and a rotor is correspondingly arranged at the position of the stator; the left end face of the rotor is fixedly connected with an output shaft; the side surface of the left side of the sealing plate is fixedly connected with a baffle ring; the outer surface of the output shaft is fixedly connected with rotating blades which are uniformly arranged at the position of the baffle ring; cooling oil is injected into the space between the heat dissipation plate and the sealing plate; the stator and the rotor are both internally provided with heat dissipation pipelines which are communicated with the space between the heat dissipation plate and the sealing plate through guide grooves; the invention effectively solves the problem that the rotor can not radiate heat through a medium in the prior art, and avoids the influence on the magnetic conduction efficiency of the iron core and further the working efficiency of the motor caused by the fact that the temperature in the stator and the rotor is in a high temperature state for a long time.

Description

Motor iron core

Technical Field

The invention belongs to the technical field of motors, and particularly relates to a motor iron core.

Background

The motor is an electromagnetic device for realizing electric energy conversion or transmission according to the electromagnetic induction law, the motor is represented by a letter M in a circuit, the motor mainly has the function of generating driving torque and is used as a power source of electrical appliances or various machines, a fixed part in the motor is called a stator, and paired direct-current excitation static main magnetic poles are arranged on the stator; the rotor-rotor of the rotating part) is called an armature core, the stator and the rotor are all important components of the motor, the stator mainly functions to generate a rotating magnetic field, the rotor is a rotating part in the motor, and the two components are matched with each other to convert electric energy into mechanical energy.

The existing motor has the common problem of heat dissipation, a large amount of heat can be generated due to various reasons when the motor operates, the large amount of heat generated due to eddy current in an iron core is one of important generation sources for the motor to generate heat, on one hand, the motor generates heat, the power loss is increased, extra power cost is brought, and the efficiency and the operation economy of the motor are directly influenced; on the other hand, overheating of the motor directly affects the service life of an insulating material used by the motor, limits the output of the motor, and can cause the motor to be burnt in severe cases, so in order to solve the problems, attention needs to be paid to reasonably reducing the loss of the motor in the design process; efforts are made to improve the cooling conditions so that heat can be efficiently and quickly dissipated.

The existing motor heat dissipation technology mainly has a self-cooling type and a fan-cooling type, the two heat dissipation modes mainly perform heat dissipation by naturally flowing air around a motor and accelerating the air flowing mode around the motor through a fan, but the two heat dissipation modes have limited capacity and cannot meet higher heat dissipation requirements, and in addition, the two heat dissipation modes also have a medium heat dissipation mode, mainly perform heat dissipation through the flowing of oil, are effective, but the prior art can only perform direct heat dissipation on a stator and cannot meet the heat dissipation requirements of a rotor.

Disclosure of Invention

The invention provides a motor iron core, which aims to make up for the defects of the prior art and solve the problems that a motor is difficult to dissipate a large amount of heat, a rotor cannot dissipate heat through a medium, the power consumption of the motor is high, the economic value is low and the like in the prior art.

The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a motor iron core, which comprises a shell, a stator, a rotor and a heat dissipation plate, wherein the stator is arranged on the shell; the shell is in a barrel-shaped design, and the inner surface of the shell is fixedly connected with a stator; the number of the stators is two, and the stators are symmetrically arranged by taking the axis of the shell as a center; the inner wall of the right side of the shell is provided with a first mounting groove; a rotating column is rotatably connected in the first mounting groove; the rotor is fixedly connected to the left end face of the rotating column, and the rotor and the stator are arranged correspondingly; the left end face of the rotor is fixedly connected with an output shaft, and the output shaft, the rotating column and the shell are all positioned on the same axis; the opening at the left side of the shell is fixedly connected with a heat dissipation plate through a fastener; a sealing plate is fixedly connected between the heat dissipation plate and the rotor on the inner arc surface of the shell; the heat dissipation plate and the sealing plate are respectively provided with a first through hole and a second through hole; the output shaft penetrates through the second through hole and the first through hole in sequence and extends to the outside of the shell, and the output shaft is rotatably connected to the heat dissipation plate; the side surface of the left side of the sealing plate is fixedly connected with a baffle ring; the outer surface of the output shaft is fixedly connected with rotating blades which are uniformly arranged at the position of the baffle ring, and the rotating blades are obliquely arranged; cooling oil is injected into the space between the heat dissipation plate and the sealing plate; the stator and the rotor are both internally provided with heat dissipation pipelines which are communicated with the space between the heat dissipation plate and the sealing plate through guide grooves; when the motor works, the motor is inserted into a power supply, the rotor rotates around the stator, the rotor rotates to respectively drive the output shafts and the rotating columns on the left side and the right side to rotate, the output shafts further drive other external working elements to rotate, the motor converts electric energy into mechanical energy, and when the output shafts rotate, on one hand, the reversing operation of a commutator in the motor can be realized; on the other hand, the output shaft rotates to drive the rotating blade in the retaining ring to rotate, the rotating blade rotates to enable oil in the retaining ring to continuously flow leftwards, and the accumulation of a large amount of oil in the retaining ring is reduced, in addition, when the motor works, the guide groove can respectively guide cooling oil in the space between the heat dissipation plate and the sealing plate into and out of the heat dissipation pipeline, so that the circulating operation of the cooling oil in the heat dissipation pipeline is realized, a large amount of heat in the stator and the rotor is rapidly transferred and finally guided into the space between the heat dissipation plate and the sealing plate, and then the heat is rapidly dissipated outwards through the heat dissipation plate, the rotating column is arranged at the left end of the rotor and is rotationally connected with the shell through the bearing, the problem of rotor rotating swing is effectively solved, the collision and friction between the stator and the rotor caused by the rotating eccentricity and the swing of the rotor are reduced, the self heat dissipation, the cost of motor operation is reduced, the rotating blades are arranged in an inclined manner, when the rotating blades rotate, the effect of continuously guiding cooling oil to the left can be effectively realized, the possibility of gap contact between the cooling oil and the sealing plate and the output shaft is reduced, the sealing effect is effectively realized, meanwhile, the rotating blades rotate to play a stirring effect, the hotter cooling oil near the sealing plate can be stirred and guided to the position near the heat dissipation plate, the heat dissipation efficiency is improved, the working range of the rotating blades is reduced by arranging the baffle ring, the working load of the rotating blades is greatly reduced, the cooling oil is prevented from entering the right sides of the rotating blades through the outer rings, the sealing performance of the space where the cooling oil is located is improved, the oil is prevented from further leaking into the motor through the gap space, the damage is generated to the normal operation of the motor, and the heat in the stator and the rotor can be quickly transmitted to the cooling oil between the heat dissipation plate and, the temperature in stator and the rotor is avoided being in higher temperature for a long time, the efficiency that the iron core magnetism switched on is influenced, and then the work efficiency of motor is influenced, the workload and the power consumption of motor increase, improve the sustainable operation ability of motor and improve the economic value of motor.

Preferably, the heat dissipation plate and the sealing plate are made of graphene materials; a cavity is formed in the heat dissipation plate; a liquid condensing agent is filled in the cavity; when the heat dissipation device works, when a large amount of heat in a stator and a rotor of the motor is quickly conducted to cooling oil between the heat dissipation plate and the sealing plate, the temperature of the cooling oil between the heat dissipation plate and the sealing plate can be quickly increased, if the cooling oil is not dissipated in time, the temperature between the fan heat plate and the sealing plate and the temperature gradient in the stator and the rotor can be reduced, the efficiency of heat conduction can be quickly reduced, the effect of quickly dissipating the temperature in the stator and the rotor cannot be met, and the normal operation of the motor is influenced, therefore, the materials of the heat dissipation plate and the sealing plate are both made of graphene materials, on one hand, the sealing plate can directly conduct the internal temperature of the motor to the cooling oil between the heat dissipation plate and the sealing plate, the heat dissipation effect is increased in a medium heat dissipation mode, on the other hand, the temperature of the cooling oil in the heat, meanwhile, the cavity is formed in the heat dissipation plate, and the liquid condensing agent is injected into the cavity, so that the heat dissipation effect is greatly improved.

Preferably, the cavity is of annular spiral design; when the heat dissipation plate works, a conventional rectangular cavity structure is formed in the heat dissipation plate, and the size of the rectangular cavity is small, so that the requirements for quick and large-scale heat dissipation cannot be met; set up great rectangle cavity then can influence the intensity of heating panel when the heating panel, in-process when production, transportation and use, all can have to collide with the heating panel, the lower intensity of heating panel can reduce the life of motor, consequently is annular helical structure with the cavity design of heating panel, the effectual intensity of solving the heating panel is not enough, and annular helical structure can increase the cooling surface of cavity simultaneously, carries out effectual improvement radiating effect.

Preferably, the right side surface of the heat dissipation plate is fixedly connected with first liquid bags which are uniformly arranged at the periphery of the output shaft; the outer surface of the output shaft is fixedly connected with extrusion rods which are uniformly arranged on the right side of the first liquid bag; the number of the extrusion rods is equal to that of the first liquid bags, and the extrusion rods and the first liquid bags are arranged in a corresponding mode; a first heat dissipation pipeline is arranged in each of the two stators; the heat dissipation plate and the shell are both provided with a first guide groove, and the joint of the first guide groove and the first liquid bag is provided with a one-way valve; the first liquid bag is respectively communicated with inlets of the corresponding first heat dissipation pipelines through the first guide grooves; outlets of the first heat dissipation pipelines are communicated to the space between the heat dissipation plate and the sealing plate through first guide grooves, and the outlets of the first guide grooves are located near the sealing plate; a first oil inlet is formed in the position, close to the heat dissipation plate, of the first liquid bag, and a one-way valve is arranged in each first oil inlet; when the cooling device works, the extrusion rods fixedly connected to the output shaft regularly extrude the first liquid bag in the rotating process of the output shaft, and when the first liquid bag is extruded by the extrusion rods, the cooling oil in the first liquid bag can enter the corresponding first heat dissipation pipeline through the first guide groove and finally flows back to a space between the heat dissipation plate and the sealing plate; when the first sac is extruded by the extrusion rod, the first sac is expanded again, cooling oil in the heat dissipation plate and the sealing plate is sucked into the first sac through the first oil inlet, the operation is performed in a reciprocating mode in sequence, the first oil inlet is arranged near the heat dissipation plate, the cooling oil in the first sac can be enabled to be in a lower temperature state all the time, the cooling effect is mentioned, the outlet of the first guide groove is arranged near the sealing plate, the cooling oil with higher temperature can be effectively prevented from being directly injected into the first sac, and the normal working operation of the first sac is affected. Through setting up the effectual motor pivoted condition that has utilized of first liquid bag, with the quick leading-in stator of cooling oil between heating panel and the closing plate to realize the circulation, greatly improved stator radiating efficiency.

Preferably, the side surfaces of the rotating blades opposite to one side of the sealing plate are fixedly connected with second liquid bags; bosses which are uniformly arranged are fixedly connected to the left side surface of the sealing plate and are arranged corresponding to the second liquid bag; a second heat dissipation pipeline is arranged in the rotor; second guide grooves are formed in the output shafts, and one-way valves are arranged at the joints of the second guide grooves and the second liquid bags; the second liquid bags are communicated with inlets of the corresponding second heat dissipation pipelines through second guide grooves; outlets of the second heat dissipation pipelines are communicated to the space between the heat dissipation plate and the sealing plate through second guide grooves, and the outlets of the second guide grooves are located near the extrusion rod; second oil inlets are formed in the second liquid bags, and one-way valves are arranged in the second oil inlets; when the cooling plate works, the output shaft can drive the second liquid bag on the output shaft to rotate in the rotating process, the second liquid bag can be regularly extruded through the boss, and when the second liquid bag is extruded by the boss, cooling oil in the second liquid bag can enter the corresponding second cooling pipeline through the second guide groove and finally flows back to a space between the cooling plate and the sealing plate; when the second liquid bag receives the extrusion of boss and finishes, the second liquid bag expands again, and inhale the second liquid bag with the coolant oil in heating panel and the closing plate in through the second oil inlet, the operation of reciprocating cycle in proper order, effectively connect the medium heat dissipation that realizes the rotor in leading-in the rotor with the coolant oil through setting up the second liquid bag, the effectual motor pivoted condition that has utilized of second liquid bag simultaneously, with the leading-in stator fast of the coolant oil between heating panel and the closing plate, and realize the circulation, the radiating efficiency of rotor has greatly been improved.

Preferably, a second mounting groove is formed in the position, located at the second through hole, of the left side face of the sealing plate; the second mounting groove is fixedly connected with absorbent cotton; rubber sleeves are sleeved on the contact surfaces of the water absorption cotton, the sealing plate and the output shaft; during operation, when the motor stall, the rotating vane stall, near the cooling oil in heating panel and the closing plate flows to the clearance between output shaft and the second through-hole, in order to avoid the cooling oil to further permeate motor inside in a large number through this gap, consequently link firmly the cotton that absorbs water in the second mounting groove, absorb water the cotton and absorb water the expansion and seal the gap between output shaft and the second through-hole, further mention the sealed effect of cooling system in the motor, improve the moving stability and the life of motor.

The invention has the following beneficial effects:

1. according to the motor iron core, the shell, the stator, the rotor and the heat dissipation plate are arranged, the heat dissipation pipelines are respectively arranged in the stator and the rotor, the heat dissipation plate and the sealing plate which are fixedly connected to the shell form a sealed cavity, then cooling oil is injected into the sealed cavity, and the heat dissipation pipelines are communicated with the sealed cavity formed between the heat dissipation plate and the sealing plate through the guide grooves.

2. According to the motor iron core, the first liquid bag, the second liquid bag, the extrusion rod and the boss are arranged, and the first liquid bag and the second liquid bag are regularly extruded through the extrusion rod and the boss respectively, so that cooling oil can rapidly circulate in the stator and the rotor, heat in the stator and the rotor can be effectively led out in time, the phenomenon that a large amount of heat is accumulated in the stator and the rotor to influence the magnetic conduction efficiency of the iron core is avoided, and the running stability and the service life of the motor are improved.

Drawings

The invention will be further explained with reference to the drawings.

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a cross-sectional view of the present invention;

fig. 3 is a perspective view of the heat radiating plate of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 1 at A;

in the figure: the rotor comprises a shell 1, a stator 2, a first heat dissipation pipeline 21, a first guide groove 22, a rotor 3, a rotating column 31, an output shaft 32, a sealing plate 33, a baffle ring 34, a rotating blade 35, a second liquid bag 36, a boss 37, a second heat dissipation pipeline 38, a second guide groove 39, a second oil inlet 310, absorbent cotton 311, a heat dissipation plate 4, a cavity 41, a first liquid bag 42, an extrusion rod 43 and a first oil inlet 44.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1 to 4, the motor iron core according to the present invention includes a housing 1, a stator 2, a rotor 3, and a heat dissipation plate 4; the shell 1 is in a barrel-shaped design, and the inner surface of the shell is fixedly connected with the stator 2; the number of the stators 2 is two, and the stators are symmetrically arranged by taking the axis of the shell 1 as a center; a first mounting groove is formed in the inner wall of the right side of the shell 1; a rotating column 31 is rotatably connected in the first mounting groove; the rotor 3 is fixedly connected to the left end face of the rotating column 31, and the rotor 3 and the stator 2 are arranged correspondingly; an output shaft 32 is fixedly connected to the left end face of the rotor 3, and the output shaft 32, the rotating column 31 and the shell 1 are all located on the same axis; the opening at the left side of the shell 1 is fixedly connected with a heat dissipation plate 4 through a fastener; a sealing plate 33 is fixedly connected between the heat dissipation plate 4 and the rotor 3 on the arc inner surface of the shell 1; the heat dissipation plate 4 and the sealing plate 33 are respectively provided with a first through hole and a second through hole; the output shaft 32 sequentially passes through the second through hole and the first through hole and extends to the outside of the shell 1, and the output shaft 32 is rotatably connected to the heat dissipation plate 4; the side surface of the left side of the sealing plate 33 is fixedly connected with a baffle ring 34; the outer surface of the output shaft 32 is fixedly connected with uniformly arranged rotating blades 35 at the position of the baffle ring 34, and the rotating blades 35 are obliquely arranged; cooling oil is filled in the space between the heat dissipation plate 4 and the sealing plate 33; the stator 2 and the rotor 3 are both internally provided with heat dissipation pipelines which are both communicated with the space between the heat dissipation plate 4 and the sealing plate 33 through guide grooves; when the motor works, the motor is plugged into a power supply, the rotor 3 rotates around the stator 2, the rotor 3 rotates to respectively drive the output shafts 32 and the rotating columns 31 on the left side and the right side to rotate, the output shafts 32 further drive other external working elements to rotate, the motor converts electric energy into mechanical energy, and when the output shafts 32 rotate, on one hand, the reversing operation of a commutator in the motor can be realized; on the other hand, the rotation of the output shaft 32 can drive the rotation blade 35 in the baffle ring 34 to rotate, the rotation blade 35 can make the oil in the baffle ring 34 continuously flow leftwards, so as to reduce the accumulation of a large amount of oil in the baffle ring 34, in addition, when the motor works, the guide groove can respectively guide the cooling oil in the space between the heat dissipation plate 4 and the sealing plate 33 into and out of the heat dissipation pipeline, so as to realize the circulation operation of the cooling oil in the heat dissipation pipeline, thereby rapidly transmitting a large amount of heat in the stator 2 and the rotor 3, and finally guiding the heat into the space between the heat dissipation plate 4 and the sealing plate 33, rapidly dissipating the heat outwards through the heat dissipation plate 4, arranging the rotation column 31 at the left end of the rotor 3, and rotationally connecting the rotation column 31 and the shell 1 through the bearing, thereby effectively solving the problem of the rotation swing of the rotor 3, reducing the collision and friction between the stator 2 and, thereby reducing the self heating value of the motor, simultaneously reducing the loss of the motor fundamentally, reducing the running cost of the motor, effectively achieving the effect of continuously guiding cooling oil leftwards by arranging the rotating blade 35 in an inclined manner, reducing the possibility of contact between the cooling oil and the clearance between the sealing plate 33 and the output shaft 32, effectively playing a role of sealing, simultaneously playing a role of stirring by rotating the rotating blade 35, stirring and guiding the hotter cooling oil near the sealing plate 33 to the vicinity of the heat dissipation plate 4, improving the heat dissipation efficiency, reducing the working range of the rotating blade 35 by arranging the baffle ring 34, greatly reducing the working load of the rotating blade 35, preventing the cooling oil from entering the right side of the rotating blade 35 through the outer ring, increasing the sealing property of the space where the cooling oil is located, preventing the oil from further leaking into the motor through the clearance space, and generating harm to the normal running of the motor, through above motor core, can conduct the coolant oil between heating panel 4 and the closing plate 33 fast with the heat in stator 2 and the 3 interior heat of rotor, avoid the temperature in stator 2 and the 3 interior temperature of rotor to be in higher temperature for a long time, influence the efficiency that the iron core magnetism switched on, and then influence the work efficiency of motor, increase the workload and the power consumption of motor, improve the sustainable operation ability of motor and improve the economic value of motor.

In one embodiment of the present invention, the heat dissipation plate 4 and the sealing plate 33 are made of graphene; a cavity 41 is formed in the heat dissipation plate 4; a liquid condensing agent is injected into the cavity 41; when the heat dissipation structure works, when a large amount of heat in the stator 2 and the rotor 3 of the motor is quickly conducted into the cooling oil between the heat dissipation plate 4 and the sealing plate 33, the temperature of the cooling oil between the heat dissipation plate 4 and the sealing plate 33 is quickly increased, if the heat dissipation is not carried out in time, the temperature between the fan heating plate and the sealing plate 33 and the temperature gradient in the stator 2 and the rotor 3 are reduced, the efficiency of heat conduction is quickly reduced, the effect of quickly dissipating the temperature in the stator 2 and the rotor 3 cannot be met, and the normal operation of the motor is influenced, therefore, by setting the materials of the heat dissipation plate 4 and the sealing plate 33 as graphene materials, on one hand, the sealing plate 33 can directly conduct the internal temperature of the motor into the cooling oil between the heat dissipation plate 4 and the sealing plate 33, which is assisted by a medium heat dissipation mode, the heat dissipation effect is improved, on the other hand, the temperature of the cooling oil in the heat, meanwhile, the cavity 41 is formed in the heat dissipation plate 4, and the liquid condensing agent is injected into the cavity 41, so that the heat dissipation effect is greatly improved.

As an embodiment of the invention, the cavity 41 is of annular spiral design; when the heat dissipation plate 4 works, a conventional rectangular cavity 41 structure is formed in the heat dissipation plate 4, and the size of the rectangular cavity 41 is small, so that the requirements for rapid and large-scale heat dissipation cannot be met; set up great rectangle cavity 41 then can influence the intensity of heating panel 4 when heating panel 4, in production, transportation and use, all can have to collide with heating panel 4, the lower intensity of heating panel 4 can reduce the life of motor, consequently, the cavity 41 design of heating panel 4 is annular helical structure, the effectual intensity of having solved heating panel 4 is not enough, annular helical structure can increase the cooling surface of cavity 41 simultaneously, carry out effectual improvement radiating effect.

As an embodiment of the present invention, the right side surface of the heat dissipation plate 4 is fixedly connected with first liquid bags 42 which are uniformly arranged at the circumferential position of the output shaft 32; the outer surface of the output shaft 32 is fixedly connected with evenly arranged extrusion rods 43 on the right side of the first liquid bag 42; the number of the extrusion rods 43 is equal to that of the first liquid bags 42, and the positions of the extrusion rods and the positions of the first liquid bags are arranged correspondingly; a first heat dissipation pipeline 21 is arranged in each of the two stators 2; the heat dissipation plate 4 and the shell 1 are both provided with a first guide groove 22, and the joint of the first guide groove 22 and the first liquid bag 42 is provided with a one-way valve; the first liquid bags 42 are respectively communicated with inlets of the corresponding first heat dissipation pipelines 21 through the first guide grooves 22; the outlets of the first heat dissipation pipelines 21 are communicated to the space between the heat dissipation plate 4 and the sealing plate 33 through the first guide grooves 22, and the outlets of the first guide grooves 22 are positioned near the sealing plate 33; a first oil inlet 44 is formed in the first liquid bag 42 close to the heat dissipation plate 4, and a one-way valve is arranged in each first oil inlet 44; during operation, when the output shaft 32 rotates, the extrusion rods 43 fixedly connected to the output shaft 32 regularly extrude the first liquid bags 42, and when the first liquid bags 42 are extruded by the extrusion rods 43, the cooling oil in the first liquid bags 42 can enter the corresponding first heat dissipation pipelines 21 through the first guide grooves 22 and finally flow back to the space between the heat dissipation plate 4 and the sealing plate 33; when the first liquid bag 42 is extruded by the extrusion rod 43, the first liquid bag 42 expands again, the cooling oil in the heat dissipation plate 4 and the sealing plate 33 is sucked into the first liquid bag 42 through the first oil inlet 44, and the first oil inlet 44 is arranged near the heat dissipation plate 4, so that the cooling oil in the first liquid bag 42 can be always in a lower temperature state, the cooling effect is improved, and the outlet of the first guide groove 22 is arranged near the sealing plate 33, so that the cooling oil with higher temperature can be effectively prevented from being directly injected near the first liquid bag 42, and the normal working operation of the first liquid bag 42 is influenced. Through setting up first sac 42 and having effectually utilized the motor pivoted condition, lead into stator 2 fast with the cooling oil in heating panel 4 and the closing plate 33 to realize the circulation, greatly improved stator 2 radiating efficiency.

In one embodiment of the present invention, the second liquid bag 36 is fixedly connected to each side surface of the rotating blade 35 opposite to the sealing plate 33; bosses 37 which are uniformly arranged are fixedly connected to the left side surface of the sealing plate 33, and the bosses 37 are arranged corresponding to the second liquid bag 36; a second heat dissipation pipeline 38 is arranged in the rotor 3; a second guide groove 39 is formed in each output shaft 32, and a one-way valve is arranged at the joint of each second guide groove 39 and the corresponding second liquid bag 36; the second liquid bags 36 are communicated with inlets of the corresponding second heat dissipation pipelines 38 through second guide grooves 39; outlets of the second heat dissipation pipes 38 are communicated with the space between the heat dissipation plate 4 and the sealing plate 33 through second guide grooves 39, and outlets of the second guide grooves 39 are positioned near the extrusion rods 43; the second liquid bags 36 are respectively provided with a second oil inlet 310, and the second oil inlets 310 are respectively provided with a one-way valve; during operation, in the rotating process of the output shaft 32, the second liquid bag 36 on the output shaft 32 is driven to rotate, the second liquid bag 36 can be regularly extruded through the boss 37, and when the second liquid bag 36 is extruded by the boss 37, the cooling oil in the second liquid bag 36 can enter the corresponding second heat dissipation pipeline 38 through the second guide groove 39 and finally flow back to the space between the heat dissipation plate 4 and the sealing plate 33; when the second liquid bag 36 is extruded by the boss 37, the second liquid bag 36 expands again, the cooling oil in the heat dissipation plate 4 and the sealing plate 33 is sucked into the second liquid bag 36 through the second oil inlet 310, the operation of the reciprocating circulation is performed in sequence, the medium heat dissipation of the rotor 3 is realized by effectively connecting the second liquid bag 36 and leading the cooling oil into the rotor 3, meanwhile, the second liquid bag 36 effectively utilizes the rotation condition of the motor, the cooling oil between the heat dissipation plate 4 and the sealing plate 33 is quickly led into the stator 2, the circulation is realized, and the heat dissipation efficiency of the rotor 3 is greatly improved.

As an embodiment of the present invention, a second mounting groove is formed in the left side surface of the sealing plate 33 at the second through hole; the second mounting groove is fixedly connected with absorbent cotton 311; rubber sleeves are sleeved on the contact surfaces of the water absorption cotton 311, the sealing plate 33 and the output shaft 32; during operation, when the motor stops operating, the rotating blade 35 stops rotating, the cooling oil in the heat dissipation plate 4 and the sealing plate 33 flows to the position near the gap between the output shaft 32 and the second through hole, in order to prevent the cooling oil from further permeating into the motor in a large amount through the gap, the water absorption cotton 311 is fixedly connected in the second mounting groove, the gap between the output shaft 32 and the second through hole is sealed through water absorption expansion of the water absorption cotton 311, the sealing effect of a cooling system in the motor is further mentioned, and the operation stability and the service life of the motor are improved.

The specific working process is as follows:

when the motor works, the motor is plugged into a power supply, the rotor 3 rotates around the stator 2, the rotor 3 rotates to respectively drive the output shafts 32 and the rotating columns 31 on the left side and the right side to rotate, the output shafts 32 further drive other external working elements to rotate, the motor converts electric energy into mechanical energy, and when the output shafts 32 rotate, on one hand, the reversing operation of a commutator in the motor can be realized; on the other hand, the rotation of the output shaft 32 will drive the rotation blade 35 in the baffle ring 34 to rotate, the rotation blade 35 rotates to make the oil in the baffle ring 34 continuously flow leftwards, thereby reducing the accumulation of oil in the baffle ring 34, furthermore, when the motor works, the guide slot can guide the cooling oil in the space between the heat dissipation plate 4 and the sealing plate 33 into and out of the heat dissipation pipeline respectively, so as to realize the circulation operation of the cooling oil in the heat dissipation pipeline, thereby rapidly transmitting a large amount of heat in the stator 2 and the rotor 3, and finally into the space between the heat dissipation plate 4 and the sealing plate 33, and rapidly dissipating the heat outwards through the heat dissipation plate 4, when a large amount of heat in the stator 2 and the rotor 3 of the motor is rapidly transmitted into the cooling oil between the heat dissipation plate 4 and the sealing plate 33, at this time, the temperature of the cooling oil between the heat dissipation plate 4 and the sealing plate 33 will, the temperature between the fan heating plate and the sealing plate 33 and the temperature gradient in the stator 2 and the rotor 3 are reduced, the heat conduction efficiency is reduced rapidly, the effect of rapidly dissipating heat of the temperature in the stator 2 and the rotor 3 cannot be achieved, and the normal operation of the motor is affected, so that the heat dissipation plate 4 and the sealing plate 33 are made of graphene materials, when the output shaft 32 rotates, the extrusion rods 43 fixedly connected to the output shaft 32 can regularly extrude the first liquid bag 42, and when the first liquid bag 42 is extruded by the extrusion rods 43, the cooling oil in the first liquid bag 42 can enter the corresponding first heat dissipation pipeline 21 through the first guide groove 22 and finally flow back to the space between the heat dissipation plate 4 and the sealing plate 33; when the first liquid bag 42 is extruded by the extrusion rod 43, the first liquid bag 42 expands again, and the cooling oil in the heat dissipation plate 4 and the sealing plate 33 is sucked into the first liquid bag 42 through the first oil inlet 44, and the operation is performed in a reciprocating cycle in sequence, meanwhile, when the output shaft 32 rotates, the second liquid bag 36 on the output shaft 32 is driven to rotate, the second liquid bag 36 can be regularly extruded through the boss 37, and when the second liquid bag 36 is extruded by the boss 37, the cooling oil in the second liquid bag 36 can enter the corresponding second heat dissipation pipeline 38 through the second guide groove 39 and finally flow back to the space between the heat dissipation plate 4 and the sealing plate 33; when the second liquid bag 36 is squeezed by the boss 37, the second liquid bag 36 expands again, and the cooling oil in the heat dissipation plate 4 and the sealing plate 33 is sucked into the second liquid bag 36 through the second oil inlet 310, and the operation is repeated and circulated in sequence, when the motor stops operating, the rotating blade 35 stops rotating, the cooling oil in the heat dissipation plate 4 and the sealing plate 33 flows to the vicinity of the gap between the output shaft 32 and the second through hole, and in order to avoid the further large amount of cooling oil from permeating into the motor through the gap, the water absorption cotton 311 is fixedly connected in the second mounting groove.

While there have been shown and described what are at present considered the fundamental principles of the invention, its essential features and advantages, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.

Claims

1. An electric machine core, characterized in that: comprises a shell (1), a stator (2), a rotor (3) and a heat dissipation plate (4); the shell (1) is in a barrel-shaped design, and the inner surface of the shell is fixedly connected with the stator (2); the number of the stators (2) is two, and the stators are symmetrically arranged by taking the axis of the shell (1) as a center; a first mounting groove is formed in the inner wall of the right side of the shell (1); a rotating column (31) is rotationally connected in the first mounting groove; the rotor (3) is fixedly connected to the left end face of the rotating column (31), and the rotor (3) and the stator (2) are arranged correspondingly; an output shaft (32) is fixedly connected to the left end face of the rotor (3), and the output shaft (32), the rotating column (31) and the shell (1) are all located on the same axis; the opening at the left side of the shell (1) is fixedly connected with a heat dissipation plate (4) through a fastener; a sealing plate (33) is fixedly connected between the heat dissipation plate (4) and the rotor (3) on the inner circular surface of the shell (1); the heat dissipation plate (4) and the sealing plate (33) are respectively provided with a first through hole and a second through hole; the output shaft (32) penetrates through the second through hole and the first through hole successively and extends to the outside of the shell (1), and the output shaft (32) is connected to the heat dissipation plate (4) in a rotating mode; a baffle ring (34) is fixedly connected to the left side surface of the sealing plate (33); the outer surface of the output shaft (32) is fixedly connected with uniformly arranged rotating blades (35) at the position of the baffle ring (34), and the rotating blades (35) are obliquely arranged; cooling oil is filled in the space between the heat dissipation plate (4) and the sealing plate (33); all seted up the heat dissipation pipeline in stator (2) and rotor (3), and this heat dissipation pipeline all communicates through the space between guide slot and heating panel (4) and closing plate (33).

2. The motor core of claim 1, wherein: the heat dissipation plate (4) and the sealing plate (33) are made of graphene materials; a cavity (41) is formed in the heat dissipation plate (4); liquid condensing agent is injected into the cavity (41).

3. The motor core of claim 2, wherein: the cavity (41) is of annular spiral design.

4. The motor core of claim 1, wherein: the right side surface of the heat dissipation plate (4) is fixedly connected with first liquid bags (42) which are uniformly arranged at the periphery of the output shaft (32); the outer surface of the output shaft (32) is fixedly connected with extrusion rods (43) which are uniformly arranged on the right side of the first liquid bag (42); the number of the extrusion rods (43) is equal to that of the first liquid bags (42), and the positions of the extrusion rods and the positions of the first liquid bags are arranged correspondingly; a first heat dissipation pipeline (21) is arranged in each of the two stators (2); first guide grooves (22) are formed in the heat dissipation plate (4) and the shell (1), and one-way valves are arranged at the joints of the first guide grooves (22) and the first liquid bags (42); the first liquid bag (42) is respectively communicated with inlets of the corresponding first heat dissipation pipelines (21) through the first guide grooves (22); outlets of the first heat dissipation pipelines (21) are communicated to the space between the heat dissipation plate (4) and the sealing plate (33) through first guide grooves (22), and the outlets of the first guide grooves (22) are located near the sealing plate (33); first oil inlets (44) are formed in the positions, close to the heat dissipation plate (4), of the first liquid bags (42), and one-way valves are arranged in the first oil inlets (44).

5. The motor core of claim 1, wherein: the side surfaces of the rotating blades (35) opposite to one side of the sealing plate (33) are fixedly connected with second liquid bags (36); bosses (37) which are uniformly arranged are fixedly connected to the left side surface of the sealing plate (33), and the bosses (37) are arranged corresponding to the second liquid bag (36); a second heat dissipation pipeline (38) is arranged in the rotor (3); second guide grooves (39) are formed in the output shafts (32), and one-way valves are arranged at the joints of the second guide grooves (39) and the second liquid bags (36); the second liquid bags (36) are communicated with inlets of the corresponding second heat dissipation pipelines (38) through second guide grooves (39); outlets of the second heat dissipation pipelines (38) are communicated to the space between the heat dissipation plate (4) and the sealing plate (33) through second guide grooves (39), and the outlets of the second guide grooves (39) are located near the extrusion rods (43); and the second liquid bag (36) is provided with a second oil inlet (310), and the second oil inlet (310) is internally provided with a one-way valve.

6. The motor core of claim 1, wherein: a second mounting groove is formed in the position, on the left side face of the sealing plate (33), of the second through hole; the second mounting groove is fixedly connected with absorbent cotton (311); and rubber sleeves are sleeved on the contact surfaces of the water absorption cotton (311), the sealing plate (33) and the output shaft (32).